18251740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70199}}^1$

素因数の和:70221

約数の個数: 24

約数和(自身を含む): 41277600

約数和(自身を除く): 23025860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70199, 140398, 280796, 350995, 701990, 912587, 1403980, 1825174, 3650348, 4562935, 9125870, 18251740]

約数ペア:

[(1, 18251740), (2, 9125870), (4, 4562935), (5, 3650348), (10, 1825174), (13, 1403980), (20, 912587), (26, 701990), (52, 350995), (65, 280796), (130, 140398), (260, 70199)]